{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547969682",
    "entityType": "User",
    "nonce": "0x43377cbe2c15c18cc635ed26717cd61152eb0b2ea8843b7f87ce8d3543adfee8",
    "signature": "0x75745650582b8970dde5ddbd0a2c48ed994aa5ee797bd5d24bb63d1b5679d27e3a78bece49d51e488a8f6989d32db8bdd70cce04ca34d730d13e37856ce565971b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}